Coiling machine



l June 24,1930. c. D.. DALLAS cornisa IAGHINE' 14, 1929 2 SheetS-Shee'c 1 Filed Jan .lune 24, 1930. n c. D. DALLAS 1,767,835

comme cams Y l C/\11i1ed Jan.v14, 1929 2 sheets-Sheet z Patented June 24, 1930 i f e 1,767,835

FICE

-CHARLES D. DALLAS, OF CIIICAGO, ILLINOIS COILING MACHINE Application filed january 14, 1929. serial No. 332,366;

My invention relates ,to coiling machines, and more particularly it lrelates to machines adapted to impart curvature to stripsk of material as a result` of'their .being fed through the machine, the strips being discharged so as to coil about themselves in accordance With the degree of curvature imparted to the sheet. f *f Such sheets are coiled for advantageous handling in annealing or other processes in which it is desirable that the coil be formed with the contiguous windings spaced apart sufficiently to permit free circulation of heated airtherebetween, and one of the obcirculation of heated air and it Iis another `object of Vthe invention to provide transversely extending corrugated sections of sharper curvature than the intervening sections which form spacers providing uniform spacing between contiguous windings.

Another object of the inventionjis to provide a device of the class described whichv o is simple in construction, easily manipulated and can be manufactured at a minimum cost.

Many other objects and advantages of the construction herein shown and described will be obvious to those skilled in the art from the dis/closure herein given.

`To this end my invention consists in the novel construction, arrangement and combilnation of parts herein shown and described, and more particularly pointedv out in the claims. v In the drawings wherein likev reference characters lindicate like or` Corresponding parts;

'" jects of the linvention is the provision of an;l

Fig. 1 is a plan view of a device embody# j ing my invention:

device: j

Fig. 3 is a section a-longvthe line 3-3 of Fig. 1:

Fig. 2 is an end elevational View ofthe Fig. 4 is a view of one of the rollers form-V I ing a portion of the device drawn to a larger scale:

Fig. 5 is a view along the line 5-5 of Fig.v 4 drawn to a larger scale: and

Fig. 6 is a detail View showing the relationship of the contiguous windings of the coil of material after being subjected to the operation produced by the device yof my invention.

The device is illustrated in connection with a three roll coiling machine, the details of which are described only for illustrating the operation of my device and withoutintending to claim any of the three roll features which are known to be old in the art.

Referring now to the drawings forming part of this specification, the 'numeral 10 generally designates a frame having upright end portions 11 and 12 forming a roller housing. mounting for an upper roller 14. The bear# ings 20 are adjustably held in fixed position by means of rods( 21. The rods 21 have threaded connections wit-h the bearings 2O which permit the spacing to be varied between the roller 14 and a pair of underlying rollers 15 and 16. The rollers 14, 15, and v16 are operatively connected by means of a plurality of gears, the operation and interconnection of which are hereinafter more particularly described. The rollers 15 and 16 are spaced transversely suiiciently to pervmit the placing therebetween of the lower portion of the upper roller 14 so that a plate travelling between the upper and the lower rollers has an upward curvature imparted thereto, the degree of curvaturevbeing dependent upon the spacing of the rollers and the thickness of material. The adjustability of the bearings 20 adapts the device for curving and winding material sheets of different thicknesses and also to vary the degree of curvature imparted. to the sheets when fed..

Slidable bearings 2O provide a to which the gears 26 are fastened. Gears -therethrough are subjected,

between the roller 14 and the rollers 15 and The threaded rods 21 are rotated for adjustment of the bearings 2O by manually operated mechanism which includes a wheel 31 having a handle 32. The wheel 31 is rigidly connected to a shaft 28 which ein'V tends the full width of the device. of the shaft 28 is provided with a worm drive 27 which suitably engages a corresponding gear 26. Sleeves 38 provide mountings for vertically extending rods y suitably fastened to the upper ends of the rods 25 operatively engage gearsv 22 which are fixedgly mounted upon the threaded rods 21. By rotating the wheel 31 the operator will thus actuate theY intervening mechanism to raise and lower the adjustable bearingsl p20 as desired. Y y Y For the purpose of determining the amount of shift of the bearings 20 and controlling the resultant degree of curvature, etc.,v to which the sheets of material fed l have provided a gauge vrod. 3Q wl ch is suitably graduated for the purposes mentioned. A pointer 29 is mounted on the threaded portion of the shaft 28 and held against rotation with-the shaft; 'vl'Vhen the shaft 28, is rotated by actuating the wheel 31 the point-f er 29.- moves longitudinally of the` shaft by reason of its threaded connection therewith, The movement of the pointer member 29 ...relative to the rodl 8O indicates the amount of shi of the bearing members 20.' Y

The upper portion of the frame 10 provides a braclre't upon which a coil support plate isniounted byV means of rivets 1 or bolts 34. Y ln feeding the sli-eet of-material between the upper roller 14 and the lower Each end` Vsame manner as- The bars are insetV in grooves 55 in the roller 14 and fastened by screw bolts 42. Any number of grooves can be providedY for bars 40. Filler bars 41- are placed in the intermediate groovesy if it is desired to increase the spacing between the bars 40. rlhe bars 40project outwardly and produce a short section of sharply curved material as they are brought `into Contact with the sheet by rotation of the roller 14 inthe if the'roller had been suddenly lowered or a roller of larger diameter substituted for the roller 14.y The bars 40 forma ridge on the otherwise continuous Vcurved periphery ofthe roller 14. The bars 41 have theirl outer exposedsurface confor-iningy t@y the periphery of the rolleri `Upon feeding a sheet ofU material 45, through the device7 each of these projecti e bars 40 form a corresponding transverse. oorrugation 56 in the sheet. The corr-ugations 56 prevent close packing of the contiguous windings comprising the .coil thus auto.- matically resulting from the curvature imparted to the sheet. f o Y Any desired number of bars 40v and `41 maybe providedfthe number and spacing offY which depend uponl the GlOseness of the spacing required for the corrugatione in' the coiled sheet. I haveshown three bars 40..v equally spaced about the periphery. of theroller 14. Inorder that thesarne'roller 14 may be utilized forv avariety of spacings, it may be provided with amaximum I .iurnbeiv1`v of grooves each sui'tjableto receive either a bard() or a filler bar 4l.A Bars 40- are rollers 15 and A15. the sheet turns upwardly I and coils about itself, being assisted in its f initial coiling bythe position and the curvature of the pla-'te 35. The plate 35 and a pair of rollers form a support for the' self wound` portion. of the sheet vas rapidly as it is fed through the device.

The closer the roller 14 isl positioned to the rollers 15 and 16 the sharper will be the curvature imparted to the sheet of material being fed therebetween. t is the purpose of the invention to previos intermittent sharply curved portions separated by predetermined lengths less sharply curved portlfis serving as spacers wh?. n keep the contiguous windings separat-cd. The saine result would be obtained by the operator using a wrench on the rod 21 to suddenly raise and lower the roller 14. This would, however, require the constant attentionv of the operator and my invention provides for securing the same. results automatically by mounting one or more horizontal bars 40 on one off the i,ol;lers7 preferably the roller 14.

Y only mounted in such of the. grooves as correspond y to the spacing of the' corrugations desired for the particular material being] coiled.

The intermediate grooves each have a filler bar 441 mountedv therein so that the intervening spal es between the projecting bars 40present la smooth surface and impart aj uniform curvature to the sheet between the` corrugations 5G. 5y ,r have, shown one of such bars 41 but it isV 'obvious' that any desired number of such bars. may

be inserted in corresponding. grooves; provided for that purpose.

Any desired mechanism may be; utilizedl to drive the device, that shown and described being only typical and does not form a part of the invention. A shaftv43. extending through the framel() is operatively connected with anyI source of powerl (not shown). A gear is, mounted on the shaftA to mesh with gears 18 and, 19lmountedon the rollers'15 and' 16, respectively. Rotation of theshaft 43'caus'es the rollers 15 and 16 torotate in' afdirection to advance a sheet of material being fed thereover.

Since the upper corrugating roller '14 is V adjustable relativ-e to 'the' rollers 15 and-1-6 I have provided it with a drivingl gear" 46 positioned to mesh with an idler gear 47.

llO

roller 14 and the lower rollers 15 and 16.

The rollers 13 forming a support for the coiled portion of the sheet are driven by a sprocket chain drive 49. For this purpose a sprocket wheel is mounted on the near end of each of the rollers.13, as observed in Fig. 2. A sprocket wheel 51 suitably mounted on the roller 16 is operatively connected with the sprocket wheel 50 by the chain'49. f

The operation of the ldevice willr be obvious to those familiar with the art. rlhe sheet of material 55 is positioned with one end in engagement with the rollers 1,4 and 16, whereby it is fed between the rollers and given the desired degree of curvature. rlhe forward end of the sheet turns upward in accordance with the degree of curvature imparted to the sheet by the rollers 14, 15 and 16. As the sheetl 55 advances, the forward end travels upwardly and rearwardly andk curves about itself sufficiently to complete a winding .which rests upon the rollers 13. The continued travel of the sheet 55 causes the coiled portion to revolvev and wrap aboutitself forming additional windings. This ceiling process is assistedy by the rotation of the rollers 13. As the coil increases in size, the support plate 35 assistsv flat sheets of material and to permit the curved portion to coil about itself in accordance with the degree of curvature and to simultaneously form transversely extending corrugations in said sheet which prevent close packing of any of the contiguous windings.

lla ving thus described my invention, it is obvious that various immaterial modifications may be made in the same without doparting from the spirit of my invention, hence l do not wish to be understood as limiting myself to the exact form, construction, arrangement and combination of parts herein shown and described, or uses men- 1. In a coilng machine of the class de-v scribed, a plurality of rollers operable to curve a sheet of material fed therethrough,

one of said rollers having a plurality of longitudinally extending sockets, bars mounted in selected ones of said sockets to form longitudinal ridges on said roller and filler bars mounted in the intermediatey sockets having their exposed faces continuous with the peripheral surface of said roller.

2. In a ceiling machine of the class described, a plurality` of rollers suitably positioned to impart a predetermined curvature to a sheet of material fed therebetween, adjustable mounting for one of said rollers operable te vary the effective space between the rollers, one of said rollers having a plurality of longitudinally extending sockets with bars mounted in certain of said sockets forming longitudinal ridges on said roller and filler bars mounted in others -of said sockets having their exposed faces of the same curvature and continuous with the ;f;

outer peripheral surface of said roller.

3. In a coilingmachine, a plurality of rollers suitably positioned to curve a flat sheet of material fed therethrough, driving means for said rollers, adjustable mountings for said rollers operable'to vary the curvature imparted to said sheets, one of said rollers having a plurality of longitudinally extending sockets, bars mounted in certain of saidsockets forming longitudinal ridges on said roller, filler bars mounted in others of said sockets having their exposed faces of the same curvature and continuous with the outer peripheral surface of said roller, and

a support suitably positioned to receive said sheet as itis discharged from said rollers and to permit the sheet to wind about itself to form a coil.

4. In a ceiling machine, a plurality of rollers suitably positioned to curve a flat sheet of material fed therethrough, driving means for said rollers, adjustable mountings for said rollers operable to vary the curvature imparted to said sheets, one of said rollers having a plurality of longitudinally extending sockets, bars mounted in certain of said sockets forming longitudinal ridges on said roller, filler bars mounted in others of said sockets having their exposed faces of the same curvature and continuous Aoperable to assist said winding operation.

In witness whereof, I hereunto subscribe my name this 10th day of January, A; D.

CHARLES D. DALLAS. 

